src/third_party/trace-viewer/third_party/gl-matrix/tasks/test/coverage.rake

   1 desc "Generate JavaScript code coverage report in ./covershot"
   2 task :coverage => %w(
   3   coverage:dependencies
   4   coverage:clean
   5   coverage:prepare
   6   coverage:instrumentation
   7   coverage:write_manifest
   8   coverage:execute
   9   coverage:generate
  10   coverage:done
  11 )
  12
  13 namespace :coverage do
  14   task :dependencies do
  15     unless File.exist?(base_path.join('node_modules'))
  16       if %x[which npm].strip.length == 0
  17         raise <<-end_error
  18           Could not execute `npm`! Please make sure node.js and the Node Package
  19           Manager (NPM) are available and can be executed without root
  20           permissions.
  21         end_error
  22       else
  23         cmd = "npm install && bundle exec #{$0} #{ARGV.join ' '}"
  24         puts "Executing the following command:"
  25         puts
  26         puts "  #{cmd}"
  27         puts
  28         puts
  29         Kernel.exec cmd
  30       end
  31     end
  32   end
  33
  34   task :clean do
  35     rm_rf base_path.join('covershot')
  36     rm_rf base_path.join('tmp')
  37   end
  38
  39   task :prepare do
  40     manifest = sprockets['gl-matrix-manifest.js']
  41     coverage_path = base_path.join('tmp/coverage')
  42
  43     manifest.dependencies.each do |part|
  44       path = coverage_path.join('lib').join(part.pathname.basename)
  45       mkdir_p(path.dirname) unless File.directory?(path.dirname)
  46       File.open(path, 'w') do |f|
  47         f.print part.body
  48       end
  49     end
  50   end
  51
  52   task :instrumentation do
  53     bin = 'jscoverage'
  54     opts = [ '--no-highlight' ]
  55     input = base_path.join('tmp/coverage/lib').to_s
  56     output = base_path.join('tmp/coverage/lib-cov').to_s
  57
  58     unless system *[bin, opts, input, output].flatten
  59       raise "Instrumentation failure. Please make sure `jscoverage` is installed."
  60     end
  61   end
  62
  63   task :write_manifest do
  64     manifest = sprockets['gl-matrix-manifest.js']
  65     coverage_path = base_path.join('tmp/coverage')
  66
  67     File.open(coverage_path.join('manifest.js'), 'w') do |manifest_out|
  68       manifest_out.puts <<-end_script
  69         var covershot = require('covershot');
  70         var csrequire = covershot.require.bind(null, require);
  71
  72         function pull(str) {
  73           var exps = csrequire(str);
  74           for (var i in exps) {
  75             global[i] = exps[i];
  76           }
  77         }
  78
  79         global.GLMAT_EPSILON = 0.000001;
  80         global.GLMAT_ARRAY_TYPE = Float32Array;
  81
  82       end_script
  83       manifest.dependencies.each do |part|
  84         path = coverage_path.join('lib-cov').join(part.pathname.basename)
  85         manifest_out.puts "pull('#{path}');"
  86       end
  87       manifest_out.puts <<-end_script
  88         function CoverageReporter() {
  89           this.reportRunnerResults = function(suite) {
  90             covershot.writeCoverage();
  91           };
  92         };
  93
  94         jasmine.getEnv().addReporter(new CoverageReporter());
  95       end_script
  96     end
  97   end
  98
  99   task :execute do
 100     jasmine_node = base_path.join('node_modules/jasmine-node/bin/jasmine-node').to_s
 101     spec = base_path.join('spec').to_s
 102
 103     unless system jasmine_node, spec
 104       raise "jasmine-node tests failed. Coverage report not generated."
 105     end
 106   end
 107
 108   task :generate do
 109     covershot = base_path.join('node_modules/covershot/bin/covershot').to_s
 110     data_dir = base_path.join('covershot/data').to_s
 111     format = 'html'
 112
 113     unless system covershot, data_dir, '-f', format
 114       raise "Execution of covershot failed. Coverage report not generated."
 115     end
 116   end
 117
 118   task :done do
 119     rm_rf base_path.join('tmp')
 120     puts
 121     puts
 122     puts "Coverage report generated in: #{base_path.join("covershot/index.html")}"
 123     puts
 124   end
 125 end